#!/usr/bin/env python

import os

from gppylib.commands.base import ExecutionError
from gppylib.operations.test.regress.test_package import GppkgTestCase, GppkgSpec, RPMSpec, unittest, run_command

class SingleDependenciesTestCase(GppkgTestCase):
    """Covers install/update/remove tests of gppkgs which have a single dependency"""
    def setUp(self):
        super(SingleDependenciesTestCase, self).cleanup()
        self.A_spec = RPMSpec("A", "1", "1", ["B = 1-1"])
        self.B_spec = RPMSpec("B", "1", "1")
        self.alpha_spec = GppkgSpec("alpha", "1.0")

    def test00_build(self):
        self.build(self.alpha_spec, self.A_spec, [self.B_spec])
       
    def test01_install(self):
        gppkg_file = self.build(self.alpha_spec, self.A_spec, [self.B_spec])
        self.install(gppkg_file)

    def test02_update_gppkg_higher(self):
        """
        This test tries to update a gppkg with a higher version 
        and the main and dependent rpms with a higher version.
        """
        #Use gppkg from previous test
        self.install(self.alpha_spec.get_filename())
        
        #New gppkg with higher gppkg, main and deps version
        update_main_rpm_spec = RPMSpec("A", "1", "2", ["B = 1-2"])
        update_dep_rpm_spec = RPMSpec("B", "1", "2")
        update_gppkg_spec = GppkgSpec("alpha", "1.1")
        update_gppkg_file = self.build(update_gppkg_spec, update_main_rpm_spec, [update_dep_rpm_spec]) 
        
        self.update(update_gppkg_file) 
   
    @unittest.expectedFailure 
    def test03_update_gppkg_lower(self):
        """
        This test tries to update a gppkg with a lower version 
        and the main and dependent rpms with a lower version.
        """
        #Use the gppkg from previous test
        update_main_rpm_spec = RPMSpec("A", "1", "2", ["B = 1-2"])
        update_dep_rpm_spec = RPMSpec("B", "1", "2")
        update_gppkg_spec = GppkgSpec("alpha", "1.1")
        self.install(update_gppkg_spec.get_filename())
    
        #Original gppkg with a lower gppkg, main and deps version
        with self.assertRaisesRegexp(ExecutionError, "A newer version of %s is already installed" % self.alpha_spec.get_filename()):
            self.update(self.alpha_spec.get_filename())

    def test04_uninstall(self):
        self.install(self.alpha_spec.get_filename())
        self.remove(self.alpha_spec.get_filename())

if __name__ == "__main__":
    unittest.main()
